本懐

1. Origins, structure, and basic meaning

• Structure: 本懐 is read ほんかい and is a noun for a deeply held, long-cherished wish.
• Basic usage: It is used with 遂げる when a long-held goal is fulfilled, or to state that an outcome realizes one's deepest wish.

2. Common pitfalls and similar expressions

• Register and weight
  • It is relatively formal and usually describes a major aspiration tied to one's life or vocation, not a minor everyday wish.